On the 26th June, around 2pm, the man in the image tried to get past the ticket barriers at the railway station using an invalid ticket.
A member of staff at the railway station challenged the man who threw water over them and walked away.
When the man was followed, he turned around and hit them in the face and knocked them unconscious.
The victim suffered head injuries and memory loss and was taken to hospital.
British Transport Police Officers believe the man in the image could help them with their investigations.
Should you recognise the man in the image, or have any information that may help with enquiries, please contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 307 of 26/06/21.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.
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